SIGMA CHEMICAL CO -- POTASSIUM HYDROXIDE PELLETS, 60369  -- 6810-00N085045
<pre>=====================  Product Identification  =====================

Product ID:POTASSIUM HYDROXIDE PELLETS, 60369
MSDS Date:07/31/1996
FSC:6810
NIIN:00N085045
=== Responsible Party ===
Company Name:SIGMA CHEMICAL CO
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Info Phone Num:314-771-5765
Emergency Phone Num:314-771-5765
CAGE:21076
=== Contractor Identification ===
Company Name:SIGMA CHEMICAL COMPANY
Address:3050 SPRUCE ST
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Phone:314-771-5765
CAGE:21076

=============  Composition/Information on Ingredients  =============

Ingred Name:POTASSIUM HYDROXIDE (CERCLA)
CAS:1310-58-3
RTECS #:TT2100000
Fraction by Wt: 100%
OSHA PEL:2 MG/M3, C
ACGIH TLV:2 MG/M3, C
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS

=====================  Hazards Identification  =====================

LD50 LC50 Mixture:LD50:(ORAL,RAT) 273 MG/KG.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE:HARMFUL IF SWALLOWED, INHALED OR
    ABSORBED THROUGH SKIN. MATERIAL IS EXTREMELY DESTRUCTIVE TO TISSUE
    OF MUCOUS MEMBRANES AND UPPER RESPIRATORY TRACT, EYES AND SKIN.
    INHALATION MAY BE FATAL AS RES ULT OF SPASM, INFLAMMATION AND EDEMA
    OFTHE LARYNX AND BRONCHI, CHEMICAL PNEUMONITIS & PULMONARY
    EDEMA.(EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:SYMPTOMS OF EXPOSURE MAY INCLUDE
    BURNING SENSATION, COUGHING, WHEEZING, LARYNGITIS, SHORTNESS OF
    BREATH, HEADACHE, NAUSEA & VOMITING.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

=======================  First Aid Measures  =======================

First Aid:EYES:IMMED FLUSH W/COPIOUS AMTS OF WATER FOR AT LST 15 MINS.
    ASSURE ADEQ FLUSHING BY SEPARATING LIDS W/FINGERS. SKIN:IMMED FLUSH
    W/COPIOUS AMTS OF WATER FOR AT LST 15 MINS WHILE REMOVING CONTAM
    CLTHG  & SHOES. DISCARD CONTAM CLTHG & SHOES. INHAL:REMOVE TO FRESH
    AIR. IF NOT BRTHG, GIVE ARTF RESP. IF BRTHG IS DFCLT, GIVE OXYG.
    INGEST:WASH OUT MOUTH W/WATER PROVIDED PERS IS CONSCIOUS. CALL MD
    IMMED.

=====================  Fire Fighting Measures  =====================

Extinguishing Media:NONCOMBUSTIBLE. USE EXTINGUISHING MEDIA APPROPRIATE
    TO SURROUNDING FIRE CONDITIONS. DO NOT USE WATER.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
    EQUIPMENT . REACTS VIOLENTLY W/WATER.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.
    DANGER:UNDER FIRE CONDITIONS MATERIAL WILL MELT & FLOW.

==================  Accidental Release Measures  ==================

Spill Release Procedures:EVACUATE AREA. WEAR NIOSH APPROVED SCBA,
    RUBBER BOOTS & HEAVY RUBBER GLOVES. SWEEP UP, PLACE IN A BAG & HOLD
    FOR WASTE DISPOSAL. AVOID RAISING DUST. VENTILATE AREA & WASH SPILL
    SITE AFTER MATERIAL PIC KUP IS COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

======================	Handling and Storage  ======================

Handling and Storage Precautions:DO NOT BREATHE DUST. DO NOT GET IN
    EYES, ON SKIN, ON CLOTHING. AVOID PROLONGED OR REPEATED EXPOSURE.
    TOXIC. KEEP TIGHTLY CLOSED.
Other Precautions:DO NOT ALLOW CONTACT W/WATER. STORE IN COOL, DRY
    PLACE. CORROSIVE. CAUSES BURNS. HARMFUL BY INHAL, IN CONT W/SKIN &
    IF SWALLOWED. REACTS VIOLENTLY W/WATER. IN CASE OF ACCIDENT/IF YOU
    FEEL UNWELL, SEEK  MED ADVICE IMMED (SHOW LBL WHERE POSS).

=============  Exposure Controls/Personal Protection  =============

Respiratory Protection:WEAR APPROPRIATE NIOSH APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL-RESISTANT GLOVES.
Eye Protection:ANSI APPROVED CHEMICAL WORKERS GOGGLES AND FULL LENGTH
    FACESHIELD .
Other Protective Equipment:ANSI APPROVED EYE WASH FOUNTAIN & DELUGE
    SHOWER . WEAR OTHER SUITABLE PROTECTIVE CLOTHING.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING. TAKE OFF
    IMMEDIATELY ALL CONTAMINATED CLOTHING.
Supplemental Safety and Health
MATLS TO AVOID: WITH ALUMINUM, TIN, ZINC & THEIR ALLOYS TO GENERATE
    FLAMMABLE & EXPLOSIVE HYDROGEN GAS. POTASSIUM HYDROXIDE REACTS WITH
    TRICHLOROETHYLENE TO FORM SPONTANEOUS FLAMMABLE DICHLOROACETYLEN E.

==================  Physical/Chemical Properties  ==================

Melt/Freeze Pt:M.P/F.P Text:682F,361C
Vapor Pres:1 @ 719C
Spec Gravity:2.044
Appearance and Odor:SOLID.

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:YES
ACIDS, ALUMINUM, HALOGENS, NITRO CMPDS, ORG MATLS, ACID CHLORIDES, ACID
    ANHYDRIDES, MAGNESIUM, COPPER, TIN, ZINC. REACTS VIOLENTLY W/WATER.
    GENERATES FLAMM &/EXPLO HYDROGEN GAS IN CONT W/METALS MOLTEN MATL
    REACTS VIOLENTLY
Stability Condition to Avoid:DO NOT HEAT ABOVE MELTING POINT. PROTECT
    FROM MOISTURE. ABSORBS CO*2 FROM AIR.
Hazardous Decomposition Products:HYDROGEN GAS.

====================  Disposal Considerations  ====================

Waste Disposal Methods:CONTACT A LICENSED PROFESSIONAL WASTE DISPOSAL
    SERVICE TO DISPOSE OF THIS MATERIAL. OBSERVE ALL FEDERAL, STATE &
    LOCAL ENVIRONMENTAL REGULATIONS.

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